Novak Djokovic - Darth Vader reincarnated?

When Halloween is around the corner, can Novak Djokovic be too far away from the festivities? As the soon-to-be World No. 1 entered the court for his second round match against Sam Querrey at the Paris Masters, he was dressed for the occasion. Or perhaps he wanted to put a scare into Querrey? Take a look for yourself: